Eval Creator Turns promoted learnings into permanent eval cases. Runs regression checks to verify promoted rules hold. This is the outer loop's regress-test step. The blog says: "If a failure taught you something important, it should become a permanent test case. Otherwise the knowledge is still fragile." When to Use - After harness-updater promotes a pattern — create an eval for it - On cadence — run all evals to check for regression - Before major releases — verify the harness is holding - When a promoted rule seems to have stopped working — diagnose with targeted eval run Eval Directory St…